@netlify/build/lib/error/monitor/start.js

Netlify build module

import { fileURLToPath } from 'url';
import Bugsnag from '@bugsnag/js';
import memoizeOne from 'memoize-one';
import { log } from '../../log/logger.js';
import { ROOT_PACKAGE_JSON } from '../../utils/json.js';
const projectRoot = fileURLToPath(new URL('../../..', import.meta.url));
// Start a client to monitor errors
export const startErrorMonitor = function (config) {
    const { flags: { mode }, logs, bugsnagKey, } = config;
    if (!bugsnagKey) {
        return;
    }
    const isTest = isBugsnagTest(bugsnagKey);
    const releaseStage = getReleaseStage(mode);
    const logger = getLogger(logs, isTest);
    try {
        const errorMonitor = startBugsnag({
            apiKey: bugsnagKey,
            appVersion: `${ROOT_PACKAGE_JSON.name} ${ROOT_PACKAGE_JSON.version}`,
            appType: ROOT_PACKAGE_JSON.name,
            releaseStage,
            logger,
            projectRoot,
        });
        // Allows knowing the percentage of failed builds per release
        if (!isTest) {
            errorMonitor.startSession();
        }
        return errorMonitor;
        // Failsafe
    }
    catch (error) {
        log(logs, `Error monitor could not start\n${error.stack}`);
    }
};
const isBugsnagTest = function (bugsnagKey) {
    return bugsnagKey === BUGSNAG_TEST_KEY;
};
const BUGSNAG_TEST_KEY = '00000000000000000000000000000000';
// Bugsnag.start() caches a global instance and warns on duplicate calls.
// This ensures the warning message is not shown when calling the main function
// several times.
// eslint-disable-next-line @typescript-eslint/ban-ts-comment
// @ts-ignore
const startBugsnag = memoizeOne(Bugsnag.start.bind(Bugsnag), () => true);
// Based the release stage on the `mode`
const getReleaseStage = function (mode = DEFAULT_RELEASE_STAGE) {
    return mode;
};
const DEFAULT_RELEASE_STAGE = 'unknown';
// We don't want Bugsnag logs except on warnings/errors.
// We also want to use our own `log` utility, unprefixed.
// In tests, we don't print Bugsnag because it sometimes randomly fails to
// send sessions, which prints warning messags in test snapshots.
const getLogger = function (logs, isTest) {
    const logFunc = isTest ? noop : log.bind(null, logs);
    return { debug: noop, info: noop, warn: logFunc, error: logFunc };
};
const noop = function () {
    // this is a noop function
};